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A seemingly reasonable man steps into the role of Iraqi PM; promises to come down hard on corruption, and refuses to work with people who are not in bed with those who promote violence; indicates he will ask americans to depart in short order (which everyone in Iraq seems to want). Only Juan Cole could see cause for pessimism in this, and lob loaded words like "politburo" at the man while he's at it.
Juan's tone of late has been quite clear: the situation is fucked, nothing will make it better, and we can only put our heads between our knees and wait for the whole wreckage to come to a flaming, skidding halt... sometime. If there is cause for optimism, he certainly doesn't relate any.
As an Informed Commenter on the situation, I have to wonder if he does see any way out of this mess. From his bloggings and articles here on Salon, it certainly doesn't seem so.